SKC's chek-mate Flowmeter
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The SKC chek-mate Flowmeter is our easy to use differential pressure flowmeter for calibrating air flow sample pumps at flow ranges between 0.50-5.0 L/min, 20-500 ml/min and 5.0-30.0 L/min. The chek-mate meets the accuracy requirements of MDHS 14/4, and other HSE sampling methods.
- No moving parts
- Can be used in any orientation
- Built-in temperature and atmospheric pressure compensation
- Short stabilisation time
- Accuracy to 1% over the vast majority of the measuring range
- Auto-shutoff to conserve battery
- Compact, portable and lightweight
- Available in medium flow, low flow and high flow models:
- 0.5 to 5.0 L/min
- 20 to 500 ml/min
- 5.0 to 30.0 L/min
- CalChek automatic flow calibration with specific SKC sample pumps (375-0550 and 375-50300 models only)
- Easy to use:
- Connect sample train to the chek-mate
- Press the only button to turn the chek-mate on
- Wait for flow reading to stabilise to within 1-2 ml/min
- Adjust pump flow if necessary
- Turn off chek-mate
CalChek Interface
The 375-0550 incorporates a CalChek communication interface which enables automatic flow calibration of AirChek 3000 and AirChek TOUCH pumps. A CalChek communication cable, part number 375-200, is plugged into the CalChek socket on the side of the chek-mate, and the DataTrac interface socket on the AirChek 3000 pump or the charging cradle for AirChek TOUCH pumps. The CalChek function enables single point flow calibration of complete sample trains, and also full CalChek calibration, calibrating the pump across its entire operating range with no sample train connected. When performing a full CalChek calibration a pulsation dampener, part number 375-100, is required to be fitted between the chek-mate outlet and pump inlet ports.
High Flow chek-mate
Due to the nature of high flow diaphragm type sampling pumps the flow pulsation that they exhibit may affect the accuracy of the 375-50300 chek-mate. We are therefore recommending that the 375-50300 chek-mate is always used with a pulsation dampener (part number 375-150).
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